store array in session

benracer

hi,
i store my shopping carts items in an array in a session like this,

<? session_start();

if ( !isset( $_SESSION["cart"] ) ) { 
    $_SESSION["cart"] = array(); 
} 

$id = $_POST["id"]; 
$_SESSION["cart"][$id] = $id; 

header("location:index.php"); 

?>

i would like to now have a quantity feature?

Many thanks
Ben

Piranha

Nice for you that you would like a quantity feature. What do I have to do with that? And why is it a question?

Maybe you are looking for help building a quantity feature? If that is the case then you should remember to ask for it next time.

Let's assume that you actually are looking for help building a quantity feature.

An easy way would be to just build another array for the quantity:

$_SESSION["cart"]["quantity"][$id] = $quantity;

benracer

hi,
thanks for your advice.

i would like to build a quantity feature.

how could i use multidimensional arrays?

is it possible before adding the item and qty to the session to check if it is allready there and if so add one more value to the qty?

many thanks
ben

Piranha

benracer wrote:
how could i use multidimensional arrays?

Google is your friend.

benracer wrote:
is it possible before adding the item and qty to the session to check if it is allready there and if so add one more value to the qty?

Yes. Just handle it the same way you would do this with as a normal variable.

benracer

ok, i now have this to add the product to the cart,

<? session_start();

$id = $_POST["id"]; 


if (count($_SESSION["cart"]) < 1) {
    $_SESSION["cart"] = array();
    $_SESSION["qty"] =  array();
}

$_SESSION["cart"][] = $id;
$_SESSION["qty"][] = 1;



header("location:index.php"); 

?>

though how can i unset a certain id if a user wanted to remove that item from the cart, i have the form that posts the id?
thanks

sfullman

You seem like a beginner. Here's an approach to take

I assume ID is the unique id of the item, so

$id=17; //product #17

//build a sample cart array
$_SESSION['cart']['items'][$id]=array(
   'quantity'=>1,
   'SKUNumber'=>'GL335-a',
   'Name'=>'Widget',
   'UnitPrice'=>14.95
);
$id=25; //I'm making these up :)
$_SESSION['cart']['items'][$id]=array(
   'quantity'=>3,
   'SKUNumber'=>'GL398-c',
   'Name'=>'Mega-Widget',
   'UnitPrice'=>34.95
);


/*
so now, we either add an item or update its quantity

*/
$id=13; //product #13
if($_SESSION['cart']['items'][$id]){
   //increment
  $_SESSION['cart']['items'][$id]['quantity']++;
}else{
   //you get the data from _POST or from the db..
   $a=get_data_somehow();

   //so, here we add an item
   $_SESSION['cart']['items'][$id]=array(
      'quantity'=>1,
      'SKUNumber'=>$a['SKUNumber'],
      'Name'=>$a['Name'],
      'UnitPrice'=>$a['UnitPrice']
   );
}

benracer

thanks,
i need something that when a user clicks the add to cart button it stores it in a session so the cart index page can display it. i can get this to work using this...

<form action="/cart/addtocart.php" method="post" id="form">
      <input type="image" name="Add To Cart" src="/images/add.png" />
      <input name="id" type="hidden" id="id" value="<? echo $rows['id']; ?>" />
    </form>

<? session_start();

if ( !isset( $_SESSION["cart"] ) ) { 
    $_SESSION["cart"] = array(); 
} 

$id = $_POST["id"]; 
$_SESSION["cart"][$id] = $id; 

header("location:index.php"); 

?>

<?php
foreach($_SESSION['cart'] as $value)
{  

?>

<table width="100%" border="0" cellpadding="2" cellspacing="1"><tr><td><?php

$con = mysql_connect("xxxx");
if (!$con)
  {
    die('Could not connect: ' . mysql_error());
}

mysql_select_db("xxxx", $con);

$result = mysql_query("SELECT * FROM items WHERE id='$value'");
$info = mysql_fetch_array( $result); 

$count=mysql_num_rows($result);

?>
  <table width="100%" border="0" cellspacing="0" cellpadding="3">
   <tr>
     <td align="left" valign="middle" nowrap="NOWRAP"><form id="id" name="id" method="post" action="/cart/remove_item.php">
       <INPUT TYPE="IMAGE" SRC="/images/x2.gif" ALT="Remove This Item">
       <input name="id" type="hidden" id="id" value="<?php echo $info['id']; ?>" />

 </form>      <a href="/remove_item.php"></a></td>
 <td align="left" valign="bottom" nowrap="NOWRAP">&nbsp;</td>
 <td width="60" height="60" align="center" valign="middle" nowrap="NOWRAP"><img src="<? echo $info['image']; ?>" alt="<? 
echo "#";
echo $info['code']; 
echo " - ";
echo $info['name']; 
?>" class="cartimage"/></td>
      <td width="100" align="left" valign="middle" nowrap="NOWRAP"><? echo $info['code']; ?></td>
      <td width="90%" align="left" valign="middle"><strong><? echo $info['name']; ?></strong></td>
      <td align="right" valign="middle"><form id="form1" name="form1" method="post" action="" style="display:inline">
        <input name="qty" type="text" id="qty" size="1" />
                 </form>
      </td>
      <td align="left" valign="middle" nowrap="nowrap">&pound;<? echo $info['price']; ?></td>
      </tr>
  </table></td>
</tr></table>
<? 
$sub[]=$info['price'];
}
?>

how do i get the quantity to work?

guruparthi

Use this code:

if(count($SESSION['cart'])==0)
{
$ar=array();
$val=$POST['id'];
array_push($ar,$val);
$SESSION['arr']=$ar;
print_R($SESSION['cart']);
}
else
{
$val=$POST['id'];
array_push($SESSION['cart'],$val);
print_R($_SESSION['cart']);
}

Reference: visit http://www.phponwebsites.com/2014/06/php-store-array-values-into-session.html